xylene is a mixture of ortho, meta and para methyl substituted toluene.
In real life fluorine is always part of a compound because it's so reactive. But it is an element, so if you can get a tank of fluorine gas, it's a pure substance.
pure substance?
No, it is a mixture; rarely a drug is a pure substance.
Pure substance
pure substance
F2 (fluorine) is an element and thus a pure substance. However a compound is a pure substance as well.
Fluorine is certainly a substance, it is an element.
pure substance?
Fluorine is a gaseous element which exists as diatomic molecules and every element is a pure substance.
Pure substance.
No, it is a mixture; rarely a drug is a pure substance.
No a mixture is by definition not a pure substance.
It is a mixture of substances
pure substance
pure substance, propanone
rice pudding a pure substance or a mixture and is it a homogenous or heterogenous
pure substance
Pure Substance